Self-confidence is an attitude that allows individuals to have positive yet realistic views of themselves and their situations.Self-confident people trust their own abilities,have a general sense of control in their lives,and believe that,within reason,they will be able to do what they wish,plan,and expect.
Self-confidence is very important in building a career.Self-confidence enables a successful scientist or engineer to take risks,to be a leader,and to defend his or her subordinates if necessary .The belief of what one can achieve and succeed often spells the difference between success and failure.